diff --git a/paddle/operators/prelu_op.cu b/paddle/operators/prelu_op.cu
index 54a9089bdb66c47cbe21d87d2f6813b7aec4a299..314dcba375c89c7a752893c16f62a09734d609fb 100644
--- a/paddle/operators/prelu_op.cu
+++ b/paddle/operators/prelu_op.cu
@@ -16,3 +16,6 @@
 
 REGISTER_OP_GPU_KERNEL(
     prelu, paddle::operators::PreluKernel<paddle::platform::GPUPlace, float>);
+REGISTER_OP_GPU_KERNEL(
+    prelu_grad,
+    paddle::operators::PreluGradKernel<paddle::platform::GPUPlace, float>);
diff --git a/python/paddle/v2/framework/tests/test_prelu_op.py b/python/paddle/v2/framework/tests/test_prelu_op.py
index 8b3916696a69c958d5609ecdf961a25c28352184..c207940d1f68ceedc9546d82a178efb39fa5d3ef 100644
--- a/python/paddle/v2/framework/tests/test_prelu_op.py
+++ b/python/paddle/v2/framework/tests/test_prelu_op.py
@@ -3,7 +3,7 @@ import numpy as np
 from op_test import OpTest
 
 
-class ScaleTest(OpTest):
+class PreluTest(OpTest):
     def setUp(self):
         self.op_type = "prelu"
         self.inputs = {'X': np.random.random((10, 10)).astype("float32")}